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authorChristopher Kenna <cjk@cs.unc.edu>2012-09-29 16:50:30 -0400
committerChristopher Kenna <cjk@cs.unc.edu>2012-09-29 16:50:30 -0400
commitfe23bc6b4d29552409354ed74a0b066a6fc647cb (patch)
tree36aa9a5e676196da3fa4bfbfb68489a84f9b3dbe /arch/x86/include/asm
parent611926edc62a15f77b891658ac70cb66e7a638f2 (diff)
parente6f51fb826ce98d436f445aae4eb9e9dba1f30e8 (diff)
Merge LITMUS^RT staging (as of time of this commit).
Conflicts: Makefile include/linux/sched.h
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/entry_arch.h1
-rw-r--r--arch/x86/include/asm/feather_trace.h17
-rw-r--r--arch/x86/include/asm/feather_trace_32.h115
-rw-r--r--arch/x86/include/asm/feather_trace_64.h124
-rw-r--r--arch/x86/include/asm/hw_irq.h3
-rw-r--r--arch/x86/include/asm/irq_vectors.h7
-rw-r--r--arch/x86/include/asm/processor.h4
-rw-r--r--arch/x86/include/asm/unistd_32.h6
-rw-r--r--arch/x86/include/asm/unistd_64.h4
9 files changed, 280 insertions, 1 deletions
diff --git a/arch/x86/include/asm/entry_arch.h b/arch/x86/include/asm/entry_arch.h
index 1cd6d26a0a8..3b0d7ef959b 100644
--- a/arch/x86/include/asm/entry_arch.h
+++ b/arch/x86/include/asm/entry_arch.h
@@ -13,6 +13,7 @@
13BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR) 13BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
14BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR) 14BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
15BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR) 15BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR)
16BUILD_INTERRUPT(pull_timers_interrupt,PULL_TIMERS_VECTOR)
16BUILD_INTERRUPT(irq_move_cleanup_interrupt,IRQ_MOVE_CLEANUP_VECTOR) 17BUILD_INTERRUPT(irq_move_cleanup_interrupt,IRQ_MOVE_CLEANUP_VECTOR)
17BUILD_INTERRUPT(reboot_interrupt,REBOOT_VECTOR) 18BUILD_INTERRUPT(reboot_interrupt,REBOOT_VECTOR)
18 19
diff --git a/arch/x86/include/asm/feather_trace.h b/arch/x86/include/asm/feather_trace.h
new file mode 100644
index 00000000000..4fd31633405
--- /dev/null
+++ b/arch/x86/include/asm/feather_trace.h
@@ -0,0 +1,17 @@
1#ifndef _ARCH_FEATHER_TRACE_H
2#define _ARCH_FEATHER_TRACE_H
3
4#include <asm/msr.h>
5
6static inline unsigned long long ft_timestamp(void)
7{
8 return __native_read_tsc();
9}
10
11#ifdef CONFIG_X86_32
12#include "feather_trace_32.h"
13#else
14#include "feather_trace_64.h"
15#endif
16
17#endif
diff --git a/arch/x86/include/asm/feather_trace_32.h b/arch/x86/include/asm/feather_trace_32.h
new file mode 100644
index 00000000000..75e81a9f938
--- /dev/null
+++ b/arch/x86/include/asm/feather_trace_32.h
@@ -0,0 +1,115 @@
1/* Copyright (c) 2007-2012 Björn Brandenburg, <bbb@mpi-sws.org>
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining
4 * a copy of this software and associated documentation files (the
5 * "Software"), to deal in the Software without restriction, including
6 * without limitation the rights to use, copy, modify, merge, publish,
7 * distribute, sublicense, and/or sell copies of the Software, and to
8 * permit persons to whom the Software is furnished to do so, subject to
9 * the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be
12 * included in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
18 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24/* Do not directly include this file. Include feather_trace.h instead */
25
26#define feather_callback __attribute__((regparm(3))) __attribute__((used))
27
28/*
29 * Make the compiler reload any register that is not saved in a cdecl function
30 * call (minus the registers that we explicitly clobber as output registers).
31 */
32#define __FT_CLOBBER_LIST0 "memory", "cc", "eax", "edx", "ecx"
33#define __FT_CLOBBER_LIST1 "memory", "cc", "eax", "ecx"
34#define __FT_CLOBBER_LIST2 "memory", "cc", "eax"
35#define __FT_CLOBBER_LIST3 "memory", "cc", "eax"
36
37#define __FT_TMP1(x) "=d" (x)
38#define __FT_ARG1(x) "0" ((long) (x))
39#define __FT_TMP2(x) "=c" (x)
40#define __FT_ARG2(x) "1" ((long) (x))
41
42#define __FT_ARG3(x) "r" ((long) (x))
43
44#define ft_event(id, callback) \
45 __asm__ __volatile__( \
46 "1: jmp 2f \n\t" \
47 " call " #callback " \n\t" \
48 ".section __event_table, \"aw\" \n\t" \
49 ".long " #id ", 0, 1b, 2f \n\t" \
50 ".previous \n\t" \
51 "2: \n\t" \
52 : : : __FT_CLOBBER_LIST0)
53
54#define ft_event0(id, callback) \
55 __asm__ __volatile__( \
56 "1: jmp 2f \n\t" \
57 " movl $" #id ", %%eax \n\t" \
58 " call " #callback " \n\t" \
59 ".section __event_table, \"aw\" \n\t" \
60 ".long " #id ", 0, 1b, 2f \n\t" \
61 ".previous \n\t" \
62 "2: \n\t" \
63 : : : __FT_CLOBBER_LIST0)
64
65#define ft_event1(id, callback, param) \
66 do { \
67 long __ft_tmp1; \
68 __asm__ __volatile__( \
69 "1: jmp 2f \n\t" \
70 " movl $" #id ", %%eax \n\t" \
71 " call " #callback " \n\t" \
72 ".section __event_table, \"aw\" \n\t" \
73 ".long " #id ", 0, 1b, 2f \n\t" \
74 ".previous \n\t" \
75 "2: \n\t" \
76 : __FT_TMP1(__ft_tmp1) \
77 : __FT_ARG1(param) \
78 : __FT_CLOBBER_LIST1); \
79 } while (0);
80
81#define ft_event2(id, callback, param, param2) \
82 do { \
83 long __ft_tmp1, __ft_tmp2; \
84 __asm__ __volatile__( \
85 "1: jmp 2f \n\t" \
86 " movl $" #id ", %%eax \n\t" \
87 " call " #callback " \n\t" \
88 ".section __event_table, \"aw\" \n\t" \
89 ".long " #id ", 0, 1b, 2f \n\t" \
90 ".previous \n\t" \
91 "2: \n\t" \
92 : __FT_TMP1(__ft_tmp1), __FT_TMP2(__ft_tmp2) \
93 : __FT_ARG1(param), __FT_ARG2(param2) \
94 : __FT_CLOBBER_LIST2); \
95 } while (0);
96
97
98#define ft_event3(id, callback, param, param2, param3) \
99 do { \
100 long __ft_tmp1, __ft_tmp2; \
101 __asm__ __volatile__( \
102 "1: jmp 2f \n\t" \
103 " subl $4, %%esp \n\t" \
104 " movl $" #id ", %%eax \n\t" \
105 " movl %2, (%%esp) \n\t" \
106 " call " #callback " \n\t" \
107 " addl $4, %%esp \n\t" \
108 ".section __event_table, \"aw\" \n\t" \
109 ".long " #id ", 0, 1b, 2f \n\t" \
110 ".previous \n\t" \
111 "2: \n\t" \
112 : __FT_TMP1(__ft_tmp1), __FT_TMP2(__ft_tmp2) \
113 : __FT_ARG1(param), __FT_ARG2(param2), __FT_ARG3(param3) \
114 : __FT_CLOBBER_LIST3); \
115 } while (0);
diff --git a/arch/x86/include/asm/feather_trace_64.h b/arch/x86/include/asm/feather_trace_64.h
new file mode 100644
index 00000000000..5ce49e2eebb
--- /dev/null
+++ b/arch/x86/include/asm/feather_trace_64.h
@@ -0,0 +1,124 @@
1/* Copyright (c) 2010 Andrea Bastoni, <bastoni@cs.unc.edu>
2 * Copyright (c) 2012 Björn Brandenburg, <bbb@mpi-sws.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25/* Do not directly include this file. Include feather_trace.h instead */
26
27/* regparm is the default on x86_64 */
28#define feather_callback __attribute__((used))
29
30#define __FT_EVENT_TABLE(id,from,to) \
31 ".section __event_table, \"aw\"\n\t" \
32 ".balign 8\n\t" \
33 ".quad " #id ", 0, " #from ", " #to " \n\t" \
34 ".previous \n\t"
35
36/*
37 * x86_64 caller only owns rbp, rbx, r12-r15;
38 * the callee can freely modify the others.
39 */
40#define __FT_CLOBBER_LIST0 "memory", "cc", "rdi", "rsi", "rdx", "rcx", \
41 "r8", "r9", "r10", "r11", "rax"
42
43#define __FT_CLOBBER_LIST1 "memory", "cc", "rdi", "rdx", "rcx", \
44 "r8", "r9", "r10", "r11", "rax"
45
46#define __FT_CLOBBER_LIST2 "memory", "cc", "rdi", "rcx", \
47 "r8", "r9", "r10", "r11", "rax"
48
49#define __FT_CLOBBER_LIST3 "memory", "cc", "rdi", \
50 "r8", "r9", "r10", "r11", "rax"
51
52/* The registers RDI, RSI, RDX, RCX, R8 and R9 are used for integer and pointer
53 * arguments. */
54
55/* RSI */
56#define __FT_TMP1(x) "=S" (x)
57#define __FT_ARG1(x) "0" ((long) (x))
58
59/* RDX */
60#define __FT_TMP2(x) "=d" (x)
61#define __FT_ARG2(x) "1" ((long) (x))
62
63/* RCX */
64#define __FT_TMP3(x) "=c" (x)
65#define __FT_ARG3(x) "2" ((long) (x))
66
67#define ft_event(id, callback) \
68 __asm__ __volatile__( \
69 "1: jmp 2f \n\t" \
70 " call " #callback " \n\t" \
71 __FT_EVENT_TABLE(id,1b,2f) \
72 "2: \n\t" \
73 : : : __FT_CLOBBER_LIST0)
74
75#define ft_event0(id, callback) \
76 __asm__ __volatile__( \
77 "1: jmp 2f \n\t" \
78 " movq $" #id ", %%rdi \n\t" \
79 " call " #callback " \n\t" \
80 __FT_EVENT_TABLE(id,1b,2f) \
81 "2: \n\t" \
82 : : : __FT_CLOBBER_LIST0)
83
84#define ft_event1(id, callback, param) \
85 do { \
86 long __ft_tmp1; \
87 __asm__ __volatile__( \
88 "1: jmp 2f \n\t" \
89 " movq $" #id ", %%rdi \n\t" \
90 " call " #callback " \n\t" \
91 __FT_EVENT_TABLE(id,1b,2f) \
92 "2: \n\t" \
93 : __FT_TMP1(__ft_tmp1) \
94 : __FT_ARG1(param) \
95 : __FT_CLOBBER_LIST1); \
96 } while (0);
97
98#define ft_event2(id, callback, param, param2) \
99 do { \
100 long __ft_tmp1, __ft_tmp2; \
101 __asm__ __volatile__( \
102 "1: jmp 2f \n\t" \
103 " movq $" #id ", %%rdi \n\t" \
104 " call " #callback " \n\t" \
105 __FT_EVENT_TABLE(id,1b,2f) \
106 "2: \n\t" \
107 : __FT_TMP1(__ft_tmp1), __FT_TMP2(__ft_tmp2) \
108 : __FT_ARG1(param), __FT_ARG2(param2) \
109 : __FT_CLOBBER_LIST2); \
110 } while (0);
111
112#define ft_event3(id, callback, param, param2, param3) \
113 do { \
114 long __ft_tmp1, __ft_tmp2, __ft_tmp3; \
115 __asm__ __volatile__( \
116 "1: jmp 2f \n\t" \
117 " movq $" #id ", %%rdi \n\t" \
118 " call " #callback " \n\t" \
119 __FT_EVENT_TABLE(id,1b,2f) \
120 "2: \n\t" \
121 : __FT_TMP1(__ft_tmp1), __FT_TMP2(__ft_tmp2), __FT_TMP3(__ft_tmp3) \
122 : __FT_ARG1(param), __FT_ARG2(param2), __FT_ARG3(param3) \
123 : __FT_CLOBBER_LIST3); \
124 } while (0);
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index bb9efe8706e..c490d89a9b7 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -77,6 +77,8 @@ extern void threshold_interrupt(void);
77extern void call_function_interrupt(void); 77extern void call_function_interrupt(void);
78extern void call_function_single_interrupt(void); 78extern void call_function_single_interrupt(void);
79 79
80extern void pull_timers_interrupt(void);
81
80/* IOAPIC */ 82/* IOAPIC */
81#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs)) 83#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs))
82extern unsigned long io_apic_irqs; 84extern unsigned long io_apic_irqs;
@@ -155,6 +157,7 @@ extern asmlinkage void smp_irq_move_cleanup_interrupt(void);
155extern void smp_reschedule_interrupt(struct pt_regs *); 157extern void smp_reschedule_interrupt(struct pt_regs *);
156extern void smp_call_function_interrupt(struct pt_regs *); 158extern void smp_call_function_interrupt(struct pt_regs *);
157extern void smp_call_function_single_interrupt(struct pt_regs *); 159extern void smp_call_function_single_interrupt(struct pt_regs *);
160extern void smp_pull_timers_interrupt(struct pt_regs *);
158#ifdef CONFIG_X86_32 161#ifdef CONFIG_X86_32
159extern void smp_invalidate_interrupt(struct pt_regs *); 162extern void smp_invalidate_interrupt(struct pt_regs *);
160#else 163#else
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index 6e976ee3b3e..99a44cf9845 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -135,6 +135,13 @@
135#define INVALIDATE_TLB_VECTOR_START \ 135#define INVALIDATE_TLB_VECTOR_START \
136 (INVALIDATE_TLB_VECTOR_END-NUM_INVALIDATE_TLB_VECTORS+1) 136 (INVALIDATE_TLB_VECTOR_END-NUM_INVALIDATE_TLB_VECTORS+1)
137 137
138/*
139 * LITMUS^RT pull timers IRQ vector
140 * Make sure it's below the above max 32 vectors.
141 */
142#define PULL_TIMERS_VECTOR 0xce
143
144
138#define NR_VECTORS 256 145#define NR_VECTORS 256
139 146
140#define FPU_IRQ 13 147#define FPU_IRQ 13
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index e5f724834ed..d8e4b738bec 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -164,6 +164,10 @@ extern void print_cpu_info(struct cpuinfo_x86 *);
164extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); 164extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
165extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); 165extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
166extern unsigned short num_cache_leaves; 166extern unsigned short num_cache_leaves;
167#ifdef CONFIG_SYSFS
168extern int get_shared_cpu_map(cpumask_var_t mask,
169 unsigned int cpu, int index);
170#endif
167 171
168extern void detect_extended_topology(struct cpuinfo_x86 *c); 172extern void detect_extended_topology(struct cpuinfo_x86 *c);
169extern void detect_ht(struct cpuinfo_x86 *c); 173extern void detect_ht(struct cpuinfo_x86 *c);
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 593485b38ab..2f6e127db30 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -353,9 +353,13 @@
353#define __NR_sendmmsg 345 353#define __NR_sendmmsg 345
354#define __NR_setns 346 354#define __NR_setns 346
355 355
356#define __NR_LITMUS 347
357
358#include "litmus/unistd_32.h"
359
356#ifdef __KERNEL__ 360#ifdef __KERNEL__
357 361
358#define NR_syscalls 347 362#define NR_syscalls 347 + NR_litmus_syscalls
359 363
360#define __ARCH_WANT_IPC_PARSE_VERSION 364#define __ARCH_WANT_IPC_PARSE_VERSION
361#define __ARCH_WANT_OLD_READDIR 365#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 705bf139288..e347f077378 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -682,6 +682,10 @@ __SYSCALL(__NR_sendmmsg, sys_sendmmsg)
682#define __NR_setns 308 682#define __NR_setns 308
683__SYSCALL(__NR_setns, sys_setns) 683__SYSCALL(__NR_setns, sys_setns)
684 684
685#define __NR_LITMUS 309
686
687#include "litmus/unistd_64.h"
688
685#ifndef __NO_STUBS 689#ifndef __NO_STUBS
686#define __ARCH_WANT_OLD_READDIR 690#define __ARCH_WANT_OLD_READDIR
687#define __ARCH_WANT_OLD_STAT 691#define __ARCH_WANT_OLD_STAT
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